A rifle with a weight of 20 N fires a 3.5-g bullet with a speed of 250 m/s. (a)

Question

A rifle with a weight of 20 N fires a 3.5-g bullet with a speed of 250 m/s. (a) Find the recoil speed of the rifle. Incorrect: Your answer is incorrect. Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s (b) If a 800-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle. Incorrect: Your answer is incorrect.

Explanation / Answer

Insufficient parameters to calculate speed or recoil two different guns with the same specifications as provided will return different results eg: rifeling, breach design, length or barrel, quantity and type of explosive used, the mass (not just weight) of the round, the construction and technology of the rifle Maths student have different answers as they live in a theoretical bubble where reality is suspended so as not to complicate the maths.. Here in the real world we get to compare the maths to what actually happens when you pull the trigger, and we found there is a big difference between bubble maths and reality. the maths is real important, and the tables they come up with are fantastic, but those guys who produce the useful maths work here with us in the real world,

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